????? APT, ????? ???? ???? ??? ??? ???????, ???? ?????? ???? ??????? metatungstate , ?????? ???:

??????, n, x, y ????? ?? ?????????. ??? ????????? ????? ??????? ????? ?? ?????????? ???????? ?????. ???????? ?????????? ????? ????? ??? ???? ??? ?? ???, ???? ?? ?? trioxide ??????? ????? APT; ?????, ???? ?? ?? ??? ????? ?? APT. ???? ???????? ?????????? ????? ??? 503 ~ 543 K, ??? 1 ~ 5 ????, ??? ????? ??? ???? ??? ???? ? -95%. ????? ????? ?????? ????? ?? ????? ????? ??? ????? ???? ?????, ???? ?? ????? ?? WO3, ? 90.5% ? ???? 92.5% ???? ?????, ???? ????? ???? ?? ????? ????? ??? ???? ?? ???? ? 90.5 ??????, ?????? ????? ???? ????? ?? ????? ?????? ?? trioxide ??????? ?? ???? ? 92.5%. ?? ?????? ????? ????? ?????? ???????, ???? ????? ????. ???? ?? ??? ?????? ??????, ?? ????? ?????? ?????? ??????? metatungstate.

??? ??? ????? ????? ?????? ?????????? ?????, ???? ??? ???? ?? 7.5: 1. ???????? ??????? ??? ????? 1h, ?? ?????? ??? ????? ?? ?- pH ?? ?????? ????? ???? ??? 3.0 ? 4.0. ???? ??? ????? ?????, ???? supernatant ??? ??????? ??????, ????? ??? ????? ?? ??????? ???????.

??????? ????? metatungstate ?????, ????? ?? ????? ???. ??? ????? ?? ?- pH ?????? ???? ???? ??? 3.0 ? -4.0 ???? ????? ?????, ??? ?? ????? ????? ????? APT ?? ???????. ???? ??????? ?????? ?? 1800 ~ 2400 ?"? / ? '???? ?????? ??????? ?? metatungstate ??????? ???? ????? ????? ??????.

???? ?? ????? metatungstate ??????? ?????? ????, ????? ?????????? ?????, ?? ?????? ????? APT ?? ????? ???? ?? ??? ????? ???? ??? ?? ?????, ??????????, ????? ???, ????? ??? ????? ?????.